Grey Towers National Historic Site

Grey Towers is a three-story fieldstone mansion with distinctive corner towers and large windows framing views of the Delaware River valley below. The architecture draws from French castle design while using local stone materials that give the house its characteristic gray appearance.

A Philadelphia businessman commissioned a prominent architect to design this summer residence in the French style, with construction spanning from 1875 to 1886. The house passed into federal hands and is now managed by the United States Forest Service as a historic property.

The name comes from the gray-colored corner towers that define the house's silhouette against the sky. Walking through the grounds, you can see how the family used different spaces for daily life and entertaining guests from their circle.

Guided tours of the interior are available from May through December, while the grounds can be explored year-round on your own. Plan enough time to walk through the gardens and outdoor spaces to see how the different areas connect and flow together.

Local materials were used during construction, including hemlock wood floated down the Delaware River and bluestone quarried from nearby mines. This reliance on regional resources gives the house a connection to the landscape and labor of the area.

Location: Dingman Township

Architects: Richard Morris Hunt

Architectural style: Norman architecture

GPS coordinates: 41.32750,-74.82083

Latest update: December 6, 2025 16:02